Finding the Fourth Proportional to 546,461.70, 819,692.55 and 513,219.30
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Solution
The fourth proportional to 546,461.70, 819,692.55 and 513,219.30 is: 769,828.95
Step by Step Solution
- Step 1: Write the proportion equation
546,461.70 : 819,692.55 = 513,219.30 : x - Step 2: Convert to fraction form
546,461.70/819,692.55 = 513,219.30/x - Step 3: Cross multiply
546,461.70x = 819,692.55 × 513,219.30 - Step 4: Simplify right side
546,461.70x = 420,682,036,726.22 - Step 5: Solve for x
x = 420,682,036,726.22/546,461.70 - Step 6: Final answer
x = 769,828.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.